CVE Database›CVE-2015-3183

CVE-2015-3183

httpd: HTTP request smuggling attack against chunked request parser

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Severity

Moderate

Red Hat Product Security

3.7

CVSS 3.0

Review impact separately from score.

Published · July 15, 2015

Updated · November 2, 2026

Description

Multiple flaws were found in the way httpd parsed HTTP requests and responses using chunked transfer encoding. A remote attacker could use these flaws to create a specially crafted request, which httpd would decode differently from an HTTP proxy software in front of it, possibly leading to HTTP request smuggling attacks.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 3.7
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS 2.0 · 2.6
AV:N/AC:H/Au:N/C:N/I:N/A:P

CWE-172 · Improper Encoding or Decoding of Data